174 lines
3.7 KiB
NASM
174 lines
3.7 KiB
NASM
; x86-64 mpn_addmul_1 and mpn_submul_1, optimized for "Core 2".
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; Copyright 2003, 2004, 2005, 2007, 2008, 2009, 2011, 2012 Free Software
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; Foundation, Inc.
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; This file is part of the GNU MP Library.
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; The GNU MP Library is free software; you can redistribute it and/or modify
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; it under the terms of the GNU Lesser General Public License as published
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; by the Free Software Foundation; either version 3 of the License, or (at
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; your option) any later version.
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; The GNU MP Library is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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; License for more details.
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; You should have received a copy of the GNU Lesser General Public License
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; along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
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; mp_limb_t mpn_addmul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t)
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; rax rdi rsi rdx rcx
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; rax rcx rdx r8 r9
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%include 'yasm_mac.inc'
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%define reg_save_list rbx, rbp, rsi, rdi
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TEXT
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xalign 16
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WIN64_GCC_PROC mpn_submul_1c, 4
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lea rbx, [rdx]
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neg rbx
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mov rax, [rsi]
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mov r10, [rdi]
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lea rdi, [rdi+rdx*8-16]
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lea rsi, [rsi+rdx*8]
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mul rcx
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add rax, r8
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adc rdx, 0
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bt ebx, 0
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jc .1
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lea r11, [rax]
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mov rax, [rsi+rbx*8+8]
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lea rbp, [rdx]
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mul rcx
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add rbx, 2
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jns .5
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lea r8, [rax]
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mov rax, [rsi+rbx*8]
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lea r9, [rdx]
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jmp .3
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.1: add rbx, 1
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jns .6
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lea r8, [rax]
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mov rax, [rsi+rbx*8]
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lea r9, [rdx]
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mul rcx
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lea r11, [rax]
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mov rax, [rsi+rbx*8+8]
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lea rbp, [rdx]
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jmp .4
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xalign 16
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.2: mul rcx
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sub r10, r8
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lea r8, [rax]
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mov rax, [rsi+rbx*8]
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adc r11, r9
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mov [rdi+rbx*8-8], r10
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mov r10, [rdi+rbx*8]
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lea r9, [rdx]
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adc rbp, 0
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.3: mul rcx
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sub r10, r11
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lea r11, [rax]
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mov rax, [rsi+rbx*8+8]
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adc r8, rbp
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mov [rdi+rbx*8], r10
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mov r10, [rdi+rbx*8+8]
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lea rbp, [rdx]
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adc r9, 0
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.4: add rbx, 2
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js .2
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mul rcx
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sub r10, r8
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adc r11, r9
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mov [rdi-8], r10
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adc rbp, 0
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.5: mov r10, [rdi]
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sub r10, r11
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adc rax, rbp
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mov [rdi], r10
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adc rdx, 0
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.6: mov r10, [rdi+8]
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sub r10, rax
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mov [rdi+8], r10
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mov eax, ebx
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adc rax, rdx
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WIN64_GCC_END
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xalign 16
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WIN64_GCC_PROC mpn_submul_1, 4
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lea rbx, [rdx]
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neg rbx
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mov rax, [rsi]
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mov r10, [rdi]
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lea rdi, [rdi+rdx*8-16]
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lea rsi, [rsi+rdx*8]
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mul rcx
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bt ebx, 0
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jc .1
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lea r11, [rax]
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mov rax, [rsi+rbx*8+8]
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lea rbp, [rdx]
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mul rcx
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add rbx, 2
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jns .5
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lea r8, [rax]
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mov rax, [rsi+rbx*8]
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lea r9, [rdx]
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jmp .3
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.1: add rbx, 1
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jns .6
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lea r8, [rax]
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mov rax, [rsi+rbx*8]
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lea r9, [rdx]
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mul rcx
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lea r11, [rax]
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mov rax, [rsi+rbx*8+8]
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lea rbp, [rdx]
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jmp .4
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xalign 16
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.2: mul rcx
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sub r10, r8
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lea r8, [rax]
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mov rax, [rsi+rbx*8]
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adc r11, r9
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mov [rdi+rbx*8-8], r10
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mov r10, [rdi+rbx*8]
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lea r9, [rdx]
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adc rbp, 0
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.3: mul rcx
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sub r10, r11
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lea r11, [rax]
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mov rax, [rsi+rbx*8+8]
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adc r8, rbp
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mov [rdi+rbx*8], r10
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mov r10, [rdi+rbx*8+8]
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lea rbp, [rdx]
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adc r9, 0
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.4: add rbx, 2
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js .2
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mul rcx
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sub r10, r8
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adc r11, r9
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mov [rdi-8], r10
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adc rbp, 0
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.5: mov r10, [rdi]
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sub r10, r11
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adc rax, rbp
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mov [rdi], r10
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adc rdx, 0
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.6: mov r10, [rdi+8]
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sub r10, rax
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mov [rdi+8], r10
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mov eax, ebx
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adc rax, rdx
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WIN64_GCC_END
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end
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